Meinberg LANTIME M300/MGR Bedienungsanleitung

Meinberg Radio Clocks

Lange Wand 9

31812 Bad Pyrmont, Germany

Phone: +49 (5281) 9309-0

Fax: +49 (5281) 9309-30

http://www.meinberg.de

[email protected]

LANTIME M300/MGR: NTP Time Server with integrated mobile GPS radio

clock

The Meinberg LANTIME M300/MGR Time Server uses a fully integrated mobile GPS reference clock as its

time source. A highly stable internal oscillator accurately bridges periods of interference or temporary loss of

reception.

The M300/MGR includes the Meinberg MGR170 timing receiver and is intended for use in mobile

applications onboard vehicles, ships, trains, or airplanes. The MGR170 GPS receiver supports different

dynamic platform models to optimize the navigation engine for the specific mobile environment and allows

more precise data averaging and a more accurate position solution.

The variety of possible output configurations makes this time server the premier choice for a broad range of

mobile time and frequency synchronization applications.

Important note

Produktgruppe

Key Features

- Synchronization of NTP and SNTP compatible clients

- Web based status and configuration interface [1](Demo) and console based graphical configuration

utility

- Supported networking protocols: IPv4, IPv6, HTTPS, HTTP, SSH, TELNET, SCP, SFTP, FTP,

SYSLOG, SNMP

- Alert-Notification system of status change by Email, WinMail, SNMP or an external connected display

- Full SNMP v1,v2,v3 support with own SNMP-daemon for status and configuration and SNMP Trap

messages

- USB Port for installing firmware updates, locking frontpanel menu access and backup/restore of

configuration and log files

- Two independant RJ-45 ethernet interfaces 10/100 MBit

- GPS receiver for mobile applications

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Description

The GNU/Linux operating system of the LANTIME has been optimized to ensure a high level of security and reliability.

A large LC display shows the state of the internal GPS receiver and the NTP subsystem. Three LEDs (green/red)

indicate the status of the three main components: Reference Time (GPS), Time Synchronization Service (NTP) and

Network (Link status). A fourth red LED is labelled ALARM and can be configured to signal any event that is covered by

the notification handling routines.

The configuration of the system can be done by using a standard web browser for accessing the extensive but

straightforward html interface. Alternatively a text based and menu driven setup utility can be started from the shell

prompt after logging into the unit via Telnet or SSH.

Security Features

The security-related features of LANTIME time servers satisfy highest demands. The time synchronization data can be

reliably signed and secured by symmetric keys (MD5) and the NTP autokey procedures. This protects the clients

against manipulated time and man-in-the-middle attacks and allows them to verify that the NTP packets they received

were send by the LANTIME. Additionally the whole LANTIME configuration can be done by using encrypted channels

(e.g. SSH, HTTPS or SNMPv3). Every unused/unneeded protocol can be disabled in order to reduce possible points of

attack.

SNMP Interface

In order to support network management systems the LANTIME time servers offer an extensive SNMP interface, which

can be accessed by SNMP V1, V2.c and V3. It allows the monitoring of all relevant system parameters (including

operating system parameters, network interface statistics, detailed GPS and NTP status information as well as the

complete system configuration) and can be used to alter the LANTIME configuration via SNMP set commands, too.

IPv6 Support

LANTIME time servers are designed to be deployed in IPv6 networks, the NTP time synchronization as well as the

configuration interfaces (Web-based, SSH and SNMP) comes with IPv6 support. You can assign several IPv6

addresses and the system supports automatic configuration by IPv6 autoconf.

High precision Oscillators available

The LANTIME M300/MGR is equipped with a high precision oscillator "TCXO" (look at oscillator options for details) as

standard. The oscillator determines the holdover characteristics (e.g. when the GPS signal is disturbed or jammed). For

applications with higher accuracy requirements there are several oscillator options available.

Modular system architecture

Because of its modular system architecture it is possible to order a LANTIME M300/MGR time server with several

additional frequency-, serial string- and pulse outputs.

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Characteristics

Type of receiver µ-Blox GPS receiver module (C/A Codes)

* Number of available channels: 50

* Frequency band: L1 (1575,42 MHz)

* Current supply of antenna: 5 V DC

Type of antenna Active GPS L1 antenna with 10m coax cable RG58

Display LC-display, 2 x 40 characters, with backlight

Control elements Eight push buttons to set up basic network parameters and to change receiver settings

Status info Four bicolor LEDs showing status of:

- reference time

- time service

- network

- alarm

Frequency outputs 10 MHz via female BNC connector, TTL into 50 Ohm

Accuracy depends on oscillator (standard: TCXO), look at [2]oscillator options

Pulse outputs Pulse Per Second (PPS), TTL level, pulse width: 200ms

Accuracy of pulse outputs Depends on oscillator option:

Note: TCXO IS NOT available with M600

Interface Two independent serial RS232-interfaces, menu configurable

Data format of interfaces Baudrate: 300, 600, 1200, 2400, 4800, 9600, 19200 Baud

Data format: 7N2, 7E2, 8E1, 8N1, 8O1

Time telegram: [3]Meinberg Standard-Telegram , SAT, Uni Erlangen (NTP), NMEA

(RMC, GGA), SPA, COMPUTIME, SYSPLEX, Meinberg GPS Telegram,

!Capture-Telegram!

Alarm output Synchronous state of the module, relay output (changeover contact)

Network Interface Standard: 2 x 10/100 MBit with RJ45 connector

Available Options:

* 2 or 4 x additional 10/100 MBit with RJ45

* 1 x 10/100 MBit and 1 x 10/100/1000 MBit (1GE) with RJ45 or

1 x 10/100 MBit and 3 x 10/100/1000 MBit (3GE) with RJ45 jack

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Power supply Standard: 100-240 VAC

available DC variants: 100-240 VDC, 12VDC, 24VDC and 48VDC

Power consumption 20W

Universal Serial Bus (USB)

Ports 1x USB Port in front panel:

- install firmware upgrades

- backup and restore configuration files

- copy security keys

- lock/unlock front keys

Supported Time String

Formats Meinberg Standard Timestring, Uni Erlangen Timestring, SYSPLEX Timer, NMEA,

Computime, ABB-SPA, SAT, Arbiter

Single-Board-Computer i386 compatible 500Mhz CPU, 128 MB RAM

Operating System of the

SBC Linux with nano kernel (incl. PPSkit)

Network protocols OSI

Layer 4 (transport layer) TCP, UDP

Network protocols OSI

Layer 7 (application layer) TELNET, FTP, SSH (incl. SFTP, SCP), HTTP, HTTPS, SYSLOG, SNMP

Internet Protocol (IP) IP v4, IP v6

Network Autoconfiguration

Support IPv4: Dynamic Host Configuration Protocol - DHCP (RFC 2131)

IPv6: Autoconfiguration Networking - AUTOCONF

Network Time Protocol

(NTP) NTP v2 (RFC 1119), NTP v3 (RFC 1305), NTP v4 (RFC 5905)

SNTP v3 (RFC 1769), SNTP v4 (RFC 2030)

MD5 Authentication and Autokey Key Management

Time Protocol (TIME) Time Protocol (RFC 868)

Daytime Protocol

(DAYTIME) Daytime Protocol (RFC 867)

IEC 61850 Synchronization of IEC 61850 compliant devices by using SNTP

Hypertext Transfer Protocol

(HTTP) HTTP/HTTPS (RC 2616)

Secure Shell (SSH) SSH v1.3, SSH v1.5, SSH v2 (OpenSSH)

Telnet Telnet (RFC 854-RFC 861)

Simple Network

Management Protocol

(SNMP)

SNMPv1 (RFC 1157), SNMPv2c (RFC 1901-1908), SNMP v3 (RFC 3411-3418)

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Form Factor 19 inch multipac metal case 1U/84HE - see [4]Physical Dimension LANTIME Time

Servers.

Ambient temperature 0 ... 50°C / 32 ... 122°F

Humidity Max. 85%

Scope of supply Each LANTIME M300 MGR will be delivered with an active [5]GPS antenna RV-76

mounted in a waterproof plastic case, an antenna mounting kit, 10 m (33 feet) of RG58

coax cable, and power cord (with US or European plug)

Technical Support Meinberg offers free lifetime technical support via telephone or e-mail.

Warranty Three-Year Warranty

Firmware Updates Firmware is field-upgradeable, updates can be installed directly at the unit or via a

remote network connection.

Software updates are provided free of charge, for the lifetime of your Meinberg product.

RoHS-Status of the product This product is fully RoHS compliant

WEEE status of the product This product is handled as a B2B category product. In order to secure a WEEE

compliant waste disposal it has to be returned to the manufacturer. Any transportation

expenses for returning this product (at its end of life) have to be incurred by the end

user, whereas Meinberg will bear the costs for the waste disposal itself.

Additional Information Additional information about the Meinberg LANTIME family of NTP time servers and

other LANTIME models can be found on the [6]LANTIME NTP Time Server Family Page

Manual

The english manual is available as a PDF file: [7]Download (PDF)

Links:

[1] http://www.meinberg.de/cgi-bin/main.cgi

[2] http://www.meinberg.de/english/products/specs/gpsopt.htm

[3] http://www.meinberg.de/english/specs/timestr.htm

[4] http://www.meinberg.de/download/docs/other/landimension.pdf

[5] http://www.meinberg.de/english/products/

[6] http://www.meinberg.de/english/products/ntp-time-server.htm

[7] http://www.meinberg.de/download/docs/manuals/english/m300_mgr.pdf

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